Finding the Fourth Proportional to 11,432,194.64, 15,776,366.28 and 6,275,643.92
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Solution
The fourth proportional to 11,432,194.64, 15,776,366.28 and 6,275,643.92 is: 8,660,354.40
Step by Step Solution
- Step 1: Write the proportion equation
11,432,194.64 : 15,776,366.28 = 6,275,643.92 : x - Step 2: Convert to fraction form
11,432,194.64/15,776,366.28 = 6,275,643.92/x - Step 3: Cross multiply
11,432,194.64x = 15,776,366.28 × 6,275,643.92 - Step 4: Simplify right side
11,432,194.64x = 99,006,857,124,775.02 - Step 5: Solve for x
x = 99,006,857,124,775.02/11,432,194.64 - Step 6: Final answer
x = 8,660,354.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.